Mark Shields writes:
> On Sat, Apr 30, 2011 at 5:15 AM, Alex Schuster <wo...@wonkology.org
> <mailto:wo...@wonkology.org>> wrote:
>
> I just wrote:
>
> > Thomas Ulrich Nockmann writes:
> >> try 'umount -l /32/de'
> >
> > Cool, this does the trick!
>
> But it does not help :( After unmounting /32/dev, I can finally unmount
> /32, but now the fsck fails:
>
> weird ~ # fsck -Cf /dev/mapper/32
> fsck from util-linux 2.19
> e2fsck 1.41.14 (22-Dec-2010)
> fsck.ext3: Device or resource busy while trying to open /dev/mapper/32
> Filesystem mounted or opened exclusively by another program?
>
> lsof and fuser report nothing. I guess I will have to reboot then.
> Try a lazy umount, or forced umount?
>
> # umount -f
> # umount -l
The lazy unmount was Thomas' hint already and worked, the partition is
no longer mounted. But I cannot fsck it, it is still in use. cryptsetup
luksClose works neither.
It's no big trouble, but still I'm curious why this is.
Wonko
